body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: black;
  }
  
  .login-container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 450px;
  }
    
  h1 {  
    margin-bottom: 20px;
    font-size: 24px;
  }
  
  input {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 5px;
  }
  
  button {
    width: 100%;
    padding: 10px;
    background-color: #2f2f22;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: gray;
  }
  
  .error-message {
    color: red;
    font-size: 14px;
    margin-top: 10px;
    display: none;
  }